China. (Hong Kong). 1941. Air Mail envelope addressed to Australia bearing SG 494a, 30c scarlet and SG 593, 50c blue (3) tied by Shanghai date stamp '8/8', routed via Victoria, Hong Kong '13th Aug' on reverse and circular 'AV/2' hand-stamp (faint on face) and framed 'Not Opened by Censor' in violet on face. Very fine.